20049964480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{4621}}^1$

素因数の和:4807

約数の個数: 224

約数和(自身を含む): 59168995200

約数和(自身を除く): 39119030720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 149, 160, 182, 208, 224, 260, 280, 298, 320, 364, 416, 448, 455, 520, 560, 596, 728, 745, 832, 910, 1040, 1043, 1120, 1192, 1456, 1490, 1820, 1937, 2080, 2086, 2240, 2384, 2912, 2980, 3640, 3874, 4160, 4172, 4621, 4768, 5215, 5824, 5960, 7280, 7748, 8344, 9242, 9536, 9685, 10430, 11920, 13559, 14560, 15496, 16688, 18484, 19370, 20860, 23105, 23840, 27118, 29120, 30992, 32347, 33376, 36968, 38740, 41720, 46210, 47680, 54236, 60073, 61984, 64694, 66752, 67795, 73936, 77480, 83440, 92420, 108472, 120146, 123968, 129388, 135590, 147872, 154960, 161735, 166880, 184840, 216944, 240292, 258776, 271180, 295744, 300365, 309920, 323470, 333760, 369680, 420511, 433888, 480584, 517552, 542360, 600730, 619840, 646940, 688529, 739360, 841022, 867776, 961168, 1035104, 1084720, 1201460, 1293880, 1377058, 1478720, 1682044, 1922336, 2070208, 2102555, 2169440, 2402920, 2587760, 2754116, 3364088, 3442645, 3844672, 4205110, 4338880, 4805840, 4819703, 5175520, 5508232, 6728176, 6885290, 8410220, 8950877, 9611680, 9639406, 10351040, 11016464, 13456352, 13770580, 16820440, 17901754, 19223360, 19278812, 22032928, 24098515, 26912704, 27541160, 33640880, 35803508, 38557624, 44065856, 44754385, 48197030, 55082320, 62656139, 67281760, 71607016, 77115248, 89508770, 96394060, 110164640, 125312278, 134563520, 143214032, 154230496, 179017540, 192788120, 220329280, 250624556, 286428064, 308460992, 313280695, 358035080, 385576240, 501249112, 572856128, 626561390, 716070160, 771152480, 1002498224, 1253122780, 1432140320, 1542304960, 2004996448, 2506245560, 2864280640, 4009992896, 5012491120, 10024982240, 20049964480]

約数ペア:

[(1, 20049964480), (2, 10024982240), (4, 5012491120), (5, 4009992896), (7, 2864280640), (8, 2506245560), (10, 2004996448), (13, 1542304960), (14, 1432140320), (16, 1253122780), (20, 1002498224), (26, 771152480), (28, 716070160), (32, 626561390), (35, 572856128), (40, 501249112), (52, 385576240), (56, 358035080), (64, 313280695), (65, 308460992), (70, 286428064), (80, 250624556), (91, 220329280), (104, 192788120), (112, 179017540), (130, 154230496), (140, 143214032), (149, 134563520), (160, 125312278), (182, 110164640), (208, 96394060), (224, 89508770), (260, 77115248), (280, 71607016), (298, 67281760), (320, 62656139), (364, 55082320), (416, 48197030), (448, 44754385), (455, 44065856), (520, 38557624), (560, 35803508), (596, 33640880), (728, 27541160), (745, 26912704), (832, 24098515), (910, 22032928), (1040, 19278812), (1043, 19223360), (1120, 17901754), (1192, 16820440), (1456, 13770580), (1490, 13456352), (1820, 11016464), (1937, 10351040), (2080, 9639406), (2086, 9611680), (2240, 8950877), (2384, 8410220), (2912, 6885290), (2980, 6728176), (3640, 5508232), (3874, 5175520), (4160, 4819703), (4172, 4805840), (4621, 4338880), (4768, 4205110), (5215, 3844672), (5824, 3442645), (5960, 3364088), (7280, 2754116), (7748, 2587760), (8344, 2402920), (9242, 2169440), (9536, 2102555), (9685, 2070208), (10430, 1922336), (11920, 1682044), (13559, 1478720), (14560, 1377058), (15496, 1293880), (16688, 1201460), (18484, 1084720), (19370, 1035104), (20860, 961168), (23105, 867776), (23840, 841022), (27118, 739360), (29120, 688529), (30992, 646940), (32347, 619840), (33376, 600730), (36968, 542360), (38740, 517552), (41720, 480584), (46210, 433888), (47680, 420511), (54236, 369680), (60073, 333760), (61984, 323470), (64694, 309920), (66752, 300365), (67795, 295744), (73936, 271180), (77480, 258776), (83440, 240292), (92420, 216944), (108472, 184840), (120146, 166880), (123968, 161735), (129388, 154960), (135590, 147872)]